Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lua nghe moi snippets" » "cua nghe moi snippets", "qua nghe moi snippets", "luan nghen moi snippets", "lua nghe noi snippets", "lua nghe nuoi snippets", "lua nghe hoa snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("lua nghe moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lua nghe moi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lua nghe moi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lua nghe moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.